Three

This is right after that other picture. The hollow tower on the right is the 115 KV circuit, this is a newer tower. On the left is the 240 KV circuit, and note that there is no wire looping around the insulators on the left side of the tower, cancelling any electricity that is on the far side of where I took the picture, since it's only a single 240 KV circuit they left one of the wires de-energized.

The 115 KV circuit on the right has one de-energized wire dead-ending with an insulator on the left side, while the actual circuit branches out to a substation quite a ways away. So all the towers holding the double circuit 115 KV line to the substation about 5 miles away from here is much newer, I'm not sure what it was before but I think there was a lattice tower there before.

The lattice tower on the left, the polymer insulators hanging down with no wire attached with a weight on them I think were added later, and before there was just nothing there but the two chains for the dead ends.